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    <title>Head First Lounge</title><!--标记网页标签-->
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    <h1>Welcome to the Head First Lounge</h1><!--标记一级标题-->
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      Join us any evening for 
      refreshing elixirs,
      conversation and maybe a game or two of
      <em>Dance Dance Revolution</em>.
      Wireless access is always provided;
      BYOWS (Bring your own web server).
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    <h2>Directions</h2><!--标记二级标题-->
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      You'll find us right in the center of downtown Webville.
      If you need help finding us, check out 
      our detailed directions.Come join us!
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